new: hl formula

Formula/hl.rb

@@ -0,0 +1,19 @@
+class Hl < Formula
+  desc "Log viewer and processor for JSON and logfmt logs"
+  homepage "https://github.com/pamburus/hl"
+  url "https://github.com/pamburus/hl/archive/refs/tags/v0.27.4.tar.gz"
+  sha256 "f1a6420d7fb0d049ddbd39e6844afe33c625f7a43816457219c4a8efad5c4c7c"
+  license "MIT"
+  head "https://github.com/pamburus/hl.git", branch: "master"
+
+  depends_on "rust" => :build
+
+  def install
+    system "cargo", "install", *std_cargo_args
+    generate_completions_from_executable(bin/"hl", "--completions")
+  end
+
+  test do
+    assert_not_equal "", shell_output("#{bin}/hl --help").chomp
+  end
+end